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JL AUDIO 8W7AE subwoofer | 8" 500W RMS
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8W7AE
€699.00
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worth €20.70!
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| Continuous Power Handling (RMS) | 500 W |
| Recommended Amplifier Power (RMS) | 200 - 500 W |
| Nominal Impedance (Znom) | 3 Ω |
Physical Specifications
| Nominal Diameter | 8.0 in / 200 mm |
| Overall Diameter (A) | 8.5 in / 216 mm |
| Mounting Hole Diameter (B) | 6.94 in / 176 mm |
| Bolt Hole Circle Diameter (C) | 7.39 in / 188 mm |
| Motor Outer Diameter (D) | 5.79 in / 147 mm |
| Mounting Depth (E) | 6.83 in / 173 mm |
| Driver Displacement | 0.06 cu ft / 1.7 L |
| Net Weight | 17 lb / 7.8 kg |
Parameters
| Free Air Resonance (Fs) | 35.2 Hz |
| Electrical “Q” (Qes) | 0.654 |
| Mechanical “Q” (Qms) | 9.5 |
| Total Speaker “Q” (Qts) | 0.612 |
| Equivalent Compliance (Vas) | 0.61 cu ft / 17.4 L |
| One-Way Linear Excursion (Xmax)* | 0.75 in / 19 mm |
| Reference Efficiency (no) | 0.11% |
| Efficiency (1 W / 1 m)** | 82.7 dB SPL |
| Effective Piston Area (Sd) | 38 sq in / 0.0245 sq m |
| DC Resistance (Re) | 2.78 Ω |
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”.
Sealed Enclosure Specifications
| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 0.75 in / 19 mm |
| Volume (net int.) | 0.875 cu ft / 24.8 L |
| External Width (W) | 12.875 in / 327 mm |
| External Height (H) | 12.875 in / 327 mm |
| External Depth (D) | 14 in / 356 mm |
| F3 | 41.3 Hz |
| Fc | 45.9 Hz |
| Qtc | 0.798 |
Enclosure Notes
Net volumes given above do not include the air volume displaced by the speaker (Driver Displacement). This value must be added to the net volume along with the displacement of any braces and/or ports (if applicable) to arrive at a gross internal volume. Air inside a port is not part of the effective net volume. Calculate ports as solid, not hollow objects.
* The W7’s employ a pole vent to remove heat and pressure from the inside of the speaker.This vent is located at the rear of the speaker. A minimum distance of 0.75 in (19 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.
The dimensions given for the enclosure examples above take all applicable displacements into consideration
Ported Enclosure Specifications
| Wall Thickness | 0.75 in / 19 mm |
| Front Baffle Thickness | 0.75 in / 19 mm |
| Volume (net int.) | 1.00 cu ft / 28.3 L |
| External Width (W) | 18.75 in / 476 mm |
| External Height (H) | 12.875 in / 327 mm |
| External Depth (D) | 14 in / 356 mm |
| Internal Slot Port Width (SW) | 1.375 in / 35 mm |
| Internal Slot Port Height (SH) | 11.375 in / 289 mm |
| Internal Slot Port Length (SL) | 27.875 in / 708 mm |
| Port Extension Length (EL) | 13.1875 in / 335 mm |
| Tuning Frequency (Fb) | 36.8 Hz |
| F3 | 30.1 Hz |
Enclosure Notes
Net volumes given above do not include the air volume displaced by the speaker (Driver Displacement). This value must be added to the net volume along with the displacement of any braces and/or ports (if applicable) to arrive at a gross internal volume. Air inside a port is not part of the effective net volume. Calculate ports as solid, not hollow objects.
* The W7’s employ a pole vent to remove heat and pressure from the inside of the speaker.This vent is located at the rear of the speaker. A minimum distance of 0.75 in (19 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.
The dimensions given for the enclosure examples above take all applicable displacements into consideration
8W7AE
